Treatment of asbestos diaphragms and resulting diaphragm
US3991251A · kind A · utility
10Cited by
6References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 3, 1973 |
| Grant date | Nov 9, 1976 |
| Priority date | — |
| Expiry date | Oct 3, 1993 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T442/2926
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
Disclosed is a method of preparing an asbestos diaphragm where alkali metal ions are provided from an aqueous alkaline solution within the fibrous asbestos diaphragm, the diaphragm is heated to form an alkali metal silicate layer on the asbestos fibers, and thereafter contacted with anolyte liquor.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.